Physics GK Questions & Answers Upcoming Exams

Physics GK Questions & Answers Upcoming Exams

1. The law of electrolysis was formulated by?

Answer: Michael Faraday

.
2. Father of Electricity?
Answer: Michael Faraday
.
3. The ordered flow of charges in a conductor is called?
Answer: Electric current
.
4. The unit of current?
Answer: Ampere
.
5. The substance that allows electric charges to flow through it?
Answer: Conductor
.
6. The best conductor of Electricity?
Answer: Silver
.
7. The substance that does not allow current to flow through it?
Answer: Insulators
.
8. The unit of electric charge?
Answer: Coulomb
.
9. A device that maintains a constant potential difference across its terminals for a long time?
Answer: Cell
.
10. The fuse is a piece of wire made of?
Answer: Bismuth alloy
.
11. The instrument used to measure electric current in a circuit is called?
Answer: Ammeter
.
12. Unit of electric potential?
Answer: Volt
.
13. Commercial unit of electricity?
Answer: KWH (Kilowatt Hour)
.
14. An instrument used to measure the electrical energy consumed in Kwh?
Answer: Watt-hour meter
.
15. The potential difference measured in volt is called?
Answer: Voltage
.
16. The EMF of a dry cell is:
Answer: 1.5 volt
.
17. The source of EMF containing two or more cells is called?
Answer: Battery
.
18. The electric current which changes its direction at regular intervals of time?
Answer: Alternating Current (AC)
.
19. Voltage of AC in our household circuit?
Answer: 230 V
.
20. Electric current flowing always in the same direction?

Answer: Direct Current (DC)